# STC SA303AL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Interior Airways Inc., United States
- Description: Installation of 4000 gallon steel tank in the cargo compartment.
- Applied: December 12, 1968
- Status date: January 24, 1969
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS A1SO](https://openairdocs.org/tcds/A1SO)
- Certificate PDF: https://openairdocs.org/files/sha256/b8/30/b830ccdaf9086179ffe9a0df69aac26f02d11a9b37d86c8a1ebfd2850176dd90
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171925371520260512164443.0001
- DRS record last changed: May 12, 2026
- Page: https://openairdocs.org/stc/SA303AL

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Aircraft Corporation 382B ([TCDS A1SO](https://openairdocs.org/tcds/A1SO))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- January 24, 1969: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b8/30/b830ccdaf9086179ffe9a0df69aac26f02d11a9b37d86c8a1ebfd2850176dd90)

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